WHOLE VOL. 



NORTH AMERICA 



745 



MONTRP]AL, CANADA 



Lat. 45° 30' N. Long. 73° 35' W. Hb = 187 ft. 



PRESSURE AT STATION: COR. TO 32° F. AND TO GRAV. AT 45° LAT. 



Means of two observations daily (7'' 40"' and 19'' 50"'. 75th nier.) 

 29 inchea + 



